Friday Harbor Airport Weather Forecast

    • 36
    • 43

    Mostly Cloudy

    • 41
    • 47

    Rain

    • 42
    • 50

    Rain

    • 38
    • 49

    Rain

    • 39
    • 47

    Rain Likely

    • 41
    • 48

    Rain

Today 20 Feb San Juan County

Mostly cloudy. Highs in the lower to mid 40s. Southeast wind to 10 Mph.

Tonight 20 Feb San Juan County

Cloudy. A slight chance of rain and snow after midnight. Snow level near 1000 feet. Lows in the mid 30s to lower 40s. Southeast wind around 10 Mph becoming east after midnight.

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Friday Harbor Airport Temperature Statistics

February Temperature

Friday Harbor Airport (0 miles)

  • Lowest 14 February, 2026

    35.1 °F

  • Average February

    44.3 °F

  • Highest 4 February, 2026

    54 °F

Climate (2021–Present)

Friday Harbor Airport (0 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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